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Back in my days working with the Union of Concerned Scientists (UCS), I was highly tuned in to the issue of antibiotic use in animal agriculture. In short, the majority of antibiotics produced in the United States are used for livestock, and not just as a treatment for sick animals, but as a low-dose feed additive to help them gain weight. In 2007, I helped organize two Hill briefings on the Preservation of Antibiotics for Medical Treatment Act (PAMTA), which sought to ban non-therapeutic use of medically important antibiotics in raising animals for food. PAMTA was reintroduced by Louise Slaughter (the resident microbiologist in Congress) in May 2013 and holds the support of over 450 organizations, including the American Medical Association, the World Health Organization, and the National Academy of Sciences. Basically, everyone in the medical field agrees that antibiotic resistance is a major public health issue and that overuse of key antibiotics in livestock contributes to a loss of effectiveness for human use.

I haven’t kept very close track of the issue in recent years, but I was happy to see it gaining traction in the latter half of 2013. Even moreso, I was thrilled that my friend and Tufts Friedman School classmate Dawn Undurraga had the opportunity to appear in an “Animal Antibiotic Debate” on the daytime talk show The Doctors. Dawn also co-authored an Environmental Working Group report titled Superbugs Invade American Supermarkets, which demonstrates unsettling levels of antibiotic-resistance bacteria in supermarket meat.

While watching the video of this debate, I was surprised to hear Dawn’s opponent, Dr. Scott Hurd, say that the “growth promotion” use of antibiotics on the farm will “soon disappear.” That would certainly be a good thing – except that his statement was most likely based on the voluntary industry guidance that the Food and Drug Administration (FDA) released on December 11, covering the use of antibiotics in livestock feed and water. The guidance document asks pharmaceutical companies to remove growth promotion indications – such as “increased rate of weight gain” or “improved feed efficiency” – as allowable uses on the labels of animal drugs. However, it also contains this disclaimer up front:

FDA’s guidance documents, including this guidance, do not establish legally enforceable responsibilities. Instead, guidances describe the FDA’s current thinking on a topic and should be viewed only as recommendations, unless specific regulatory or statutory requirements are cited.

In other words, the livestock and pharmaceutical industries have no legal incentive to comply (although many companies have already indicated that they will take the voluntary measures). Some groups are worried that FDA’s guidance document will ultimately make the situation worse, as it will serve as a diversion from PAMTA and other legal action on the issue. It may also encourage a shift in the way antibiotic use is tracked – low-dose feed additives previously used for growth promotion might get reported as being used for illness prevention instead. I am doubtful that FDA’s guidance will result in a significant decrease in antibiotic use on livestock farms. Industry doesn’t seem worried about this guidance, but I believe that we would see vast industry push-back if a binding law was passed to truly limit low-dose antibiotics in animal feed/water.

Antibiotic resistance is very scary and needs to be addressed head-on. The Centers for Disease Control (CDC) released a report in September that clearly implicated animal antibiotic use as a main driver in the spread of resistance. See this infographic from the report:

CDC couldn’t put it more plainly: Antibiotics should only be used to treat infections. Constant, low-dose administration for growth promotion or disease prevention in animals needs to cease. How will the stakeholders proceed in 2014?

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This is my personal blog, unfolding from the competing interests, joys, and priorities that swarm my brain. Basically, it's a place to post various ruminations, resources, and recipes that I think might be of interest to others. Views are my own and do not reflect the position of my employer or any other entity.